US2977100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle operated starter switch
Assignee: ACF Industries Inc
•
Filing: 1958-01-24
•
Granted: 1961-03-28
•
Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Harold A Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22385E
Cited
US2746439A
Cited
US2694558A
Cited
US2609806A
Cited
US2694559A
Cited
US2793634A
Cited
US2719706A
Cited
US2834586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |